File: pr81627.c

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gcc-arm-none-eabi 15%3A8-2019-q3-1
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/* { dg-do run } */
/* { dg-options "-O3 -fno-tree-loop-vectorize -fdump-tree-pcom-details" } */

int a, b, c, d[6], e = 3, f;

void abort (void);
void fn1 ()
{
  for (b = 1; b < 5; b++)
    {
      for (c = 0; c < 5; c++)
        d[b] = e;
      if (a)
        f++;
      d[b + 1] = 1;
    }
}

int main ()
{
  fn1 ();
  if (d[0] != 0 || d[1] != 3 || d[2] != 3
      || d[3] != 3 || d[4] != 3 || d[5] != 1)
    abort ();

  return 0;
}
/* { dg-final { scan-tree-dump-times "Store-stores chain" 1 "pcom" } } */